Questions tagged [subnet]

Questions relating to IP subnetting, including planning, calculation and best practices.

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Communication between subnets on Sonicwall firewall

I have a Sonicwall TZ-350. X0 is the default LAN with IP 192.168.10.1, and X1 is the WAN. I've set up a second local subnet on X2 with IP 192.168.20.1 for a single NAS device (no switch; the device is ...
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Network segmentation with VLAN and MAC auth: thoughts about implementation

Currently we have a medium-sized, flat network with some DHCP pools. This configuration isn't satisfying us anymore, as everyone can see everything on the network and it may leads to security issues. ...
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Juniper EX4200 Public Subnet Vlan Routing

We have a Juniper EX4200 which is connected via ge-0/0/0 trunk port to the providers router. We got our own vlan(id 250) and there are two public subnets routed on this vlan. Currently all our serves ...
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SonicWALL Site-to-Site Subnet Not Lighting Up

I hope someone out there can help me since SonicWALL support is horrible; three days, and still no response back from them. I have two NSA 3600 SonicWALLs, one at each of two different sites. I have ...
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In gnss3, why can't I ping my cisco router from my VM?

I have the following network, I have never configured a Cisco router before so I'm having a little trouble. In router R1 I used the following commands to assign an ip to the router: configure terminal ...
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Subnetting different ip on same networks with different mask

I am a little confused with subnetting. Looking for a proper explanation. Suppose I have 3 routers A, B and C. Int 1: 10.0.0.1/30 <-- Router A Int 1: 10.0.0.2/30 <-- Router B Int 2: 10.0.0....